Re: i370 port - 3.4.6 to 4.4 upgrade attempt

2009-12-08 Thread Ulrich Weigand
Paul Edwards wrote: I can see one significant change: the GCC middle-end now no longer supports base-16 floating point at all. The old i370 port was the only user of this feature, and some time after the port was removed, the middle-end support was removed as well in order to simplify

Re: i370 port - 3.4.6 to 4.4 upgrade attempt

2009-12-07 Thread Paul Edwards
Well I have good news to report. I applied most of your recommended changes, but it still crashed, still at the same spot: built-in:0: internal compiler error: Segmentation fault However, I managed to track it down to some floating point stuff in the i370 code, and got rid of that, and now I

Re: i370 port - 3.4.6 to 4.4 upgrade attempt

2009-11-24 Thread Ulrich Weigand
Paul Edwards wrote: So, given the scope below, can someone please explain what 4.4 changes are affecting me and what I need to do to overcome them? Note that I have never had to do the machine changes myself - in the past I simply waiting for Dave Pitts to do the upgrade to the new version,

Re: i370 port - 3.4.6 to 4.4 upgrade attempt

2009-11-24 Thread Paul Edwards
I can see one significant change: the GCC middle-end now no longer supports base-16 floating point at all. The old i370 port was the only user of this feature, and some time after the port was removed, the middle-end support was removed as well in order to simplify floating-point handling code.

Re: i370 port - 3.4.6 to 4.4 upgrade attempt

2009-11-23 Thread Paul Edwards
Ok, now that 3.4.6 is fully working, I made a start on the 4.4 port. 4.4 appears to have invalidated a lot of 3.4.6 things. Below are all the changes I needed to make just to get an xgcc executable built. I didn't really know what most of it was about, but the purpose was just to scope the

Re: i370 port - 3.4.6 to 4.4 upgrade attempt

2009-11-23 Thread Andreas Schwab
Paul Edwards mutazi...@gmail.com writes: Index: gcc4/config.sub diff -c gcc4/config.sub:1.3 gcc4/config.sub:1.4 *** gcc4/config.sub:1.3 Mon Nov 23 12:58:07 2009 --- gcc4/config.sub Mon Nov 23 22:47:08 2009 You should send patches for config.{guess,sub} to config-patc...@gnu.org. Andreas.

Re: i370 port - 3.4.6 to 4.4 upgrade attempt

2009-11-23 Thread Paolo Bonzini
On 11/23/2009 11:32 AM, Paul Edwards wrote: So, given the scope below, can someone please explain what 4.4 changes are affecting me and what I need to do to overcome them? I think your best bet is to grep the changelogs for what has changes, and see what was done for other ports. Many